@TBosco: Thanks!
It's been a long time since my music theory classes, so I am not even what is going on in this one (haha) maybe some sorta mode, not sure.
On the last key change: the bass pedal is holding down a low G, but the melody goes F# A G# A G# C# E. Seems like the F# and G would clash (and also the G#/G) but they sound ok together with those 2 preset sounds in Saurus. Probably one of them has a bit of detuning for a bit of that analog sorta sound
The bass pedal then goes up to B, while the melody basically is is D E G A (no sharps/flats) over that bass. The very last part, the bass pedal goes to A, while the melody is basically F D C G A E F G C (no sharps/flats), last note of the melody part is D with the bass pedal on the G.
Anyone want to take a stab at what's going no here, you're welcome, it's too early (5:57am) and I need more coffee.
-Rob